3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $values = array('1','2'); var_dump(empty(array_filter('is_array', $values))); var_dump(isset($values[0]), $values[0]); var_dump(isset($values[0][0]), $values[0][0]);
Output for 5.5.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: array_filter() expects parameter 1 to be array, string given in /in/r98mL on line 3 bool(true) bool(true) string(1) "1" bool(true) string(1) "1"
Output for hhvm-3.10.0 - 3.13.2
Warning: array_filter() expects parameter 1 to be an array or collection in /in/r98mL on line 3 bool(true) bool(true) string(1) "1" bool(true) string(1) "1"
Output for 5.0.0 - 5.4.45
Fatal error: Can't use function return value in write context in /in/r98mL on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_VARIABLE or '$' in /in/r98mL on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_VARIABLE or '$' in /in/r98mL on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/r98mL on line 3
Process exited with code 255.